Landau-Ginzburg Model of Interphase Boundaries in CsCl-Type Ferroelastics due to M-5 Mode Instability : LaAg1-xInx D. M. Hatch, P. Hu, A. Saxena et G. R. BarschJ. Phys. IV France, 05 C8 (1995) C8-131-C8-136DOI: https://doi.org/10.1051/jp4:1995815